Dr. Robert J. Williams pleaded guilty in federal court today to two counts of health care fraud. Authorities say Williams collected $975,000 from Medicare and Medicaid for group therapy, much of which was never performed. Many of the patients were deceased when the services were allegedly provided.

An Atlanta physician scammed Medicaid and Medicare for $975,000 for group therapy for nursing home patients, many of whom were either dead or hospitalized, federal prosecutors say. Dr. Robert Williams, 72, was arraigned Friday in federal court on fraud charges that could cost him 10 years in prison and a $250,000 fine.